Earth | Page 4 of 14 | Astronomy.com

Alien Life, Solar System

Scientists find an ancient source of life-supporting oxygen

Alien Life, Solar System

Earth’s ‘Milky seas’ observed from space and sea

Minerals reveal a new understanding of original life on Earth

Alien Life, Solar System

Rare Earth hypothesis: Why we might really be alone in the universe

Robotic Spaceflight, Solar System

The Landsat Program: 50 years observing Earth’s surface

Robotic Spaceflight, Solar System

Could Earth scientists create their own equivalent to JWST?

What can earthquakes and marsquakes teach us about planets?

Planets, Solar System

Gargantuan Saharan dust plume blowing across the Atlantic is visible from space

Can we protect Earth from an asteroid speeding toward us?

Alien Life, Solar System

Should Earthlings blast out our location to the cosmos?

Planets, Solar System

The northern lights: A history of aurora sightings

The origin of Earth’s helium